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06-10-2016, 09:15 PM,
#1
my 650 is making a tapping/clicking noise
Hello everyone, I was hoping someone might have any ideas for me.

When the bike is warmed up, it starts making a tapping/clicking noise consistently when I go a slow speeds (It may do it at higher speeds i just cant hear it). It sounds like it is in the drive train somewhere. I have checked the final drive, relubed the splines which were in perfect shape no wear at all, I checked the brake, I checked the U-joint, I lubed the drive shaft and even took the little coupler part off and lubed all of that with honda moly 60, and no effect. I even checked the alignment of the wheel and that isn't it either.

It shifts fine, accelerates fine, seems to drive perfectly fine except for this clicking/tapping. It only seems to do it when it is warm, and when I am sitting on it. I could even put it in neutral and get it to click a little bit when I was sitting on it and pushing it while it was off, but otherwise if i get off the bike it won't do it.

Right now I have the rear wheel off and that side cap covering up the middle drive gear and when I grab hold of the U Joint and try to spin it with it in gear it seems to have a lot of slack. Is that normal? Could this be the problem? But I would think I'd have more problems with the gears/driving if it was the transmission.

Thanks for looking!
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06-10-2016, 09:47 PM,
#2
RE: my 650 is making a tapping/clicking noise
(06-10-2016, 09:15 PM)Ryder Wrote: Hello everyone, I was hoping someone might have any ideas for me.

When the bike is warmed up, it starts making a tapping/clicking noise consistently when I go a slow speeds (It may do it at higher speeds i just cant hear it). It sounds like it is in the drive train somewhere. I have checked the final drive, relubed the splines which were in perfect shape no wear at all, I checked the brake, I checked the U-joint, I lubed the drive shaft and even took the little coupler part off and lubed all of that with honda moly 60, and no effect. I even checked the alignment of the wheel and that isn't it either.

It shifts fine, accelerates fine, seems to drive perfectly fine except for this clicking/tapping. It only seems to do it when it is warm, and when I am sitting on it. I could even put it in neutral and get it to click a little bit when I was sitting on it and pushing it while it was off, but otherwise if i get off the bike it won't do it.

Right now I have the rear wheel off and that side cap covering up the middle drive gear and when I grab hold of the U Joint and try to spin it with it in gear it seems to have a lot of slack. Is that normal? Could this be the problem? But I would think I'd have more problems with the gears/driving if it was the transmission.

Thanks for looking!
how much slack we talking some gear backlash is necessary, how much is the shaft turning with drive gear locked
Lightbulb dumb bikers don't get to be old bikers
Reply
06-10-2016, 10:51 PM,
#3
RE: my 650 is making a tapping/clicking noise
(06-10-2016, 09:47 PM)pauli466 Wrote:
(06-10-2016, 09:15 PM)Ryder Wrote: Hello everyone, I was hoping someone might have any ideas for me.

When the bike is warmed up, it starts making a tapping/clicking noise consistently when I go a slow speeds (It may do it at higher speeds i just cant hear it). It sounds like it is in the drive train somewhere. I have checked the final drive, relubed the splines which were in perfect shape no wear at all, I checked the brake, I checked the U-joint, I lubed the drive shaft and even took the little coupler part off and lubed all of that with honda moly 60, and no effect. I even checked the alignment of the wheel and that isn't it either.

It shifts fine, accelerates fine, seems to drive perfectly fine except for this clicking/tapping. It only seems to do it when it is warm, and when I am sitting on it. I could even put it in neutral and get it to click a little bit when I was sitting on it and pushing it while it was off, but otherwise if i get off the bike it won't do it.

Right now I have the rear wheel off and that side cap covering up the middle drive gear and when I grab hold of the U Joint and try to spin it with it in gear it seems to have a lot of slack. Is that normal? Could this be the problem? But I would think I'd have more problems with the gears/driving if it was the transmission.

Thanks for looking!
how much slack we talking some gear backlash is necessary, how much is the shaft turning with drive gear locked
I have a short video of it, this is me grabbing a hold of the U joint (no drive shaft in it) and the bike is in gear youtu.be/LL4aBj4vZZU
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06-11-2016, 04:31 PM, (This post was last modified: 06-11-2016, 04:33 PM by pauli466.)
#4
RE: my 650 is making a tapping/clicking noise
(06-10-2016, 10:51 PM)Ryder Wrote:
(06-10-2016, 09:47 PM)pauli466 Wrote:
(06-10-2016, 09:15 PM)Ryder Wrote: Hello everyone, I was hoping someone might have any ideas for me.

When the bike is warmed up, it starts making a tapping/clicking noise consistently when I go a slow speeds (It may do it at higher speeds i just cant hear it). It sounds like it is in the drive train somewhere. I have checked the final drive, relubed the splines which were in perfect shape no wear at all, I checked the brake, I checked the U-joint, I lubed the drive shaft and even took the little coupler part off and lubed all of that with honda moly 60, and no effect. I even checked the alignment of the wheel and that isn't it either.

It shifts fine, accelerates fine, seems to drive perfectly fine except for this clicking/tapping. It only seems to do it when it is warm, and when I am sitting on it. I could even put it in neutral and get it to click a little bit when I was sitting on it and pushing it while it was off, but otherwise if i get off the bike it won't do it.

Right now I have the rear wheel off and that side cap covering up the middle drive gear and when I grab hold of the U Joint and try to spin it with it in gear it seems to have a lot of slack. Is that normal? Could this be the problem? But I would think I'd have more problems with the gears/driving if it was the transmission.

Thanks for looking!
how much slack we talking some gear backlash is necessary, how much is the shaft turning with drive gear locked
I have a short video of it, this is me grabbing a hold of the U joint (no drive shaft in it) and the bike is in gear youtu.be/LL4aBj4vZZU
remove the swingarm then remove the four bolts holding the gear in and spin the primary gear on the engine without the output gear, that gear is connected to countershaft which may have a bad bearing, the gears themselves look fine, i don't see any excessive backlash on them
Lightbulb dumb bikers don't get to be old bikers
Reply
06-14-2016, 01:52 PM,
#5
RE: my 650 is making a tapping/clicking noise
(06-11-2016, 04:31 PM)pauli466 Wrote:
(06-10-2016, 10:51 PM)Ryder Wrote:
(06-10-2016, 09:47 PM)pauli466 Wrote:
(06-10-2016, 09:15 PM)Ryder Wrote: Hello everyone, I was hoping someone might have any ideas for me.

When the bike is warmed up, it starts making a tapping/clicking noise consistently when I go a slow speeds (It may do it at higher speeds i just cant hear it). It sounds like it is in the drive train somewhere. I have checked the final drive, relubed the splines which were in perfect shape no wear at all, I checked the brake, I checked the U-joint, I lubed the drive shaft and even took the little coupler part off and lubed all of that with honda moly 60, and no effect. I even checked the alignment of the wheel and that isn't it either.

It shifts fine, accelerates fine, seems to drive perfectly fine except for this clicking/tapping. It only seems to do it when it is warm, and when I am sitting on it. I could even put it in neutral and get it to click a little bit when I was sitting on it and pushing it while it was off, but otherwise if i get off the bike it won't do it.

Right now I have the rear wheel off and that side cap covering up the middle drive gear and when I grab hold of the U Joint and try to spin it with it in gear it seems to have a lot of slack. Is that normal? Could this be the problem? But I would think I'd have more problems with the gears/driving if it was the transmission.

Thanks for looking!
how much slack we talking some gear backlash is necessary, how much is the shaft turning with drive gear locked
I have a short video of it, this is me grabbing a hold of the U joint (no drive shaft in it) and the bike is in gear youtu.be/LL4aBj4vZZU
remove the swingarm then remove the four bolts holding the gear in and spin the primary gear on the engine without the output gear, that gear is connected to countershaft which may have a bad bearing, the gears themselves look fine, i don't see any excessive backlash on them
So, I got the swing arm out and I can't find anything wrong with that shaft or the bearing behind the gear it is solid with no play at all. But, I did find a bad bearing in my swing arm so Im glad I took it apart. And I also decided that I can't seem to find anything else in the drive train and it was definitely coming from the rearish area, I took apart the final drive and discovered that the needle bearing in there is very gritty feeling when I spin it and also has a lot of slop. The grease was getting waxy and nasty too so HOPEFULLY I found my culprit.

Thank you for responding Pauli446, I really appreciate it.
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